Chapter A.2, Problem 28AYU

To determine

To find: The area $A$ of a triangle with height 9 centimeters and base 4 centimeters.

Answer to Problem 28AYU

$18 {\text{cm}}^2$

Explanation of Solution

Formula used:

$\text{Area}=\frac{1}{2}bh$

Area of a triangle $=\frac{1}{2}bh=\frac{1}{2}\times 4\times 9=18 {\text{cm}}^2$.